<template>
  <a-table :columns="columns" :data-source="data" bordered>
    <template slot="name" slot-scope="text">
      <a>{{ text }}</a>
    </template>
  </a-table>
</template>
<script>
// In the fifth row, other columns are merged into first column
// by setting it's colSpan to be 0
const renderContent = (value, row, index) => {
  const obj = {
    children: value,
    attrs: {}
  }

  if (index === 4) {
    obj.attrs.colSpan = 0
  }
  return obj
}

const data = [
  {
    key: '1',
    name: 'John Brown',
    age: 32,
    tel: '0571-22098909',
    phone: 18889898989,
    address: 'New York No. 1 Lake Park'
  },
  {
    key: '2',
    name: 'Jim Green',
    tel: 'aaa',
    phone: 18889898888,
    age: 42,
    address: 'London No. 1 Lake Park'
  },
  {
    key: '3',
    name: 'Joe Black',
    age: 32,
    tel: 'bbb',
    phone: 18900010002,
    address: 'Sidney No. 1 Lake Park'
  },
  {
    key: '4',
    name: 'Jim Red',
    age: 18,
    tel: 'ccc',
    phone: 18900010002,
    address: 'London No. 2 Lake Park'
  },
  {
    key: '5',
    name: 'Jake White',
    age: 18,
    tel: 'ddd',
    phone: 18900010002,
    address: 'Dublin No. 2 Lake Park'
  }
]

export default {
  data() {
    const columns = [
      {
        title: 'Name',
        dataIndex: 'name',
        customRender: (text, row, index) => {
          if (index < 4) {
            return <a href="javascript:;">{text}</a>
          }
          return {
            children: <a href="javascript:;">{text}</a>,
            attrs: {
              colSpan: 5
            }
          }
        }
      },
      {
        title: 'Age',
        dataIndex: 'age',
        customRender: renderContent
      },
      {
        title: 'Home phone',
        colSpan: 2,
        dataIndex: 'tel',
        customRender: (value, row, index) => {
          console.log({value, row, index})
          const obj = {
            children: value,
            attrs: {}
          }

          if (index === 2) {
            obj.attrs.rowSpan = 2
          }
          // These two are merged into above cell
          if (index === 3) {
            obj.attrs.rowSpan = 0
          }
          if (index === 4) {
            obj.attrs.colSpan = 0
          }
          return obj
        }
      },
      {
        title: 'Phone',
        colSpan: 0,
        dataIndex: 'phone',
        customRender: renderContent
      },
      {
        title: 'Address',
        dataIndex: 'address',
        customRender: renderContent
      }
    ]

    return {
      data,
      columns
    }
  }
}
</script>
